Inundation maps provide information on the spatial extent and depth of flood waters in the vicinity of NWS river forecast locations. Users are able to display flood inundation maps for various levels ranging from minor flooding through the largest observed flood. Flood inundation maps, combined with river observations and NWS forecasts, enhance the communication of flood risk and provide users additional information needed to better mitigate the impacts of flooding and plan for more resilient communities. Flood inundation maps are now available for the following nine flood forecast locations along the Delaware River main stem:

On February 3, 2012, NWS improved all nine Delaware River flood inundation maps and user interface. Enhancements include Google maps with terrain and transportation layers, higher resolution satellite imagery, and the increased ability to zoom and pan. View the NWS public information statement for more details (pdf 56 KB)

You can also view the earlier NWS public information statements from August 24, 2010 and July 6, 2011 which announced the original availability of the maps.